Comminution sizes in sampling calculations

TOS forum Issue 11 (2022)

Multivariate methods for improved geometallurgy sampling

TOS forum Issue 11 (2022)

Gy’s discrete heterogeneity and the grouping and segregation variance

TOS forum Issue 11 (2022)

Extensions to the Theory of Sampling 2. The Sampling Uncertainty (SU), and SU as alternative to variographic analysis

TOS forum Issue 11 (2022)

Challenges in quality assurance and quality control systems development

TOS forum Issue 11 (2022)

Process optimization by real time analysis of liquids’ composition in metal & mining

TOS forum Issue 11 (2022)

Challenges of sampling grain for mycotoxin analysis

TOS forum Issue 11 (2022)

The evolution of the mechanically agitated hopper in Anglo American Platinum

TOS forum Issue 11 (2022)

The complex futility of the Liberation Factor

TOS forum Issue 11 (2022)

Moisture determination. Mass loss on drying – commercial sampling washed away

TOS forum Issue 11 (2022)

Mobile dust sampling device for dust filter generation at a Ni refinery

TOS forum Issue 11 (2022)

Sampling of high-nugget conglomerates from the Western Australian Pilbara: bulk sampling at the Beatons Creek gold project, Nullagine

TOS forum Issue 11 (2022)

Implementing proactive quality assurance quality control (QAQC) and quality management (QM) practices at coal testing laboratories

TOS forum Issue 11 (2022)

Sampling for industry 4.0 – sensor signal acquisition inspired by the Theory of Sampling (TOS)

TOS forum Issue 11 (2022)

Implementation of a QAQC program for in-situ grade control by pulsed fast and thermal neutron activation methods

TOS forum Issue 11 (2022)

Cross belt sampler: mechanical design of the World’s largest hammer sampler for bauxite export contractual requirements

TOS forum Issue 11 (2022)

Proactive rolling bias test applied on sample stations

TOS forum Issue 11 (2022)

Differentiating analytical error from sampling errors in PAT methods through variographic analysis

TOS forum Issue 11 (2022)

A comparison between conventional blast hole sampling and diamond core drilling for copper grade at the Antapaccay mine

TOS forum Issue 11 (2022)

Online elemental analysis for process control in the mineral processing industry

TOS forum Issue 11 (2022)

Understanding sampling variation – a vital aspect of industrial research experiments

TOS forum Issue 11 (2022)

Representative sampling for condition monitoring of in-service wind turbine bearings: challenges and solutions over 10 years

TOS forum Issue 11 (2022)

ISO 13909 compliant contractual payment station coal sampling plant: process design and equipment selection for chemical, physical and moisture sampling

TOS forum Issue 11 (2022)

Applications of the sampling uncertainty (SU)

TOS forum Issue 11 (2022)

Estimating the heterogeneity invariant using size-density classes – the case of contaminated soil and complex materials

TOS forum Issue 11 (2022)

The process of production certified reference materials for silicon industry

TOS forum Issue 11 (2022)

The extended Gy’s formula

TOS forum Issue 11 (2022)

The “Gandalf” soil sampling project at a former industrial site in Copenhagen, Denmark: evaluating soil classification reliability

TOS forum Issue 11 (2022)

Representative sampling for food and feed materials: a critical need for food/feed safety — Special Edition Section of Journal AOAC International

TOS forum Issue 11 (2022)

Smart control of HVAC based on measurements of indoor radon concentration

TOS forum Issue 11 (2022)

COVID-19: lessons for developing and commissioning new mining technologies

TOS forum Issue 11 (2022)

Sample preparation according to Ian Devereux: an unofficial guide

TOS forum Issue 11 (2022)

DS3077—Horizontal Standard revision after 10 years and induction as an ISO Standard

TOS forum Issue 11 (2022)

Editorial

TOS forum Issue 10 (2020)

Origin of the World Conferences on Sampling and Blending (WCSB)

TOS forum Issue 10 (2020)

Material intrinsic heterogeneity: statistical derivation

TOS forum Issue 10 (2020)

Barefoot sampling in San Juan de Limay, Nicaragua: remediation of mercury pollution from small scale gold mining tailings

TOS forum Issue 9 (2019)

Reducing global mercury pollution with simultaneous gold recovery from small-scale mining tailings

TOS forum Issue 9 (2019)

Editorial: It’s time again...

TOS forum Issue 8 (2018)

Theory of Sampling (TOS) applied to characterisation of Municipal Solid Waste (MSW)—a case study from France

TOS forum Issue 8 (2018)

The 2010 Eyjafjellajökull volcanic ash sampling experiment: factors and conditions affecting field sampling variability

TOS forum Issue 8 (2018)

Editorial: From sorrow to moving on... with renewed spirit

TOS forum Issue 7 (2017)

Pierre Gy’s development of the Theory of Sampling: a retrospective summary with a didactic tutorial on quantitative sampling of one-dimensional lots

TOS forum Issue 7 (2017)

Barefoot sampling in San Juan de Limay, Nicaragua: remediation of mercury pollution from small scale gold mining tailings

TOS forum Issue 7 (2017)

A comprehensive literature review reflecting fifteen years of debate regarding the representativity of reverse circulation vs blast hole drill sampling

TOS forum Issue 7 (2017)

Evaluation of sampling error sources in a multiple cuttermetallurgical sampler

TOS forum Issue 5 (2015)

Representative sampling for a full-scale incineration plant test—how to succeed with TOS facing unavoidable logistical and practical constraints

TOS forum Issue 5 (2015)

Innovative sampling solutions for the mining industry

TOS forum Issue 5 (2015)

Review of a non-probabilistic sampler versus a Vezin sampler on low weight percent solids slurries

TOS forum Issue 5 (2015)

Estimating granite roughness using systematic random sampling for the evaluation of radon gas emanation from ornamental granite rocks

TOS forum Issue 5 (2015)

PFTNA logging tools and their contributions to in-situ elemental analysis of mineral boreholes

TOS forum Issue 5 (2015)

A European standard for sampling of waste material: EN 14899

TOS forum Issue 5 (2015)

Design advances and operational studies for the True Pipe® sampler: A symmetry based unit for reliable sampling of pressurised particulate streams

TOS forum Issue 5 (2015)

Good sampling is good business: reconciling economic drivers of productivity and quality using fundamentals of sampling theory

TOS forum Issue 5 (2015)

Comparison of sampling methods by using size distribution analysis

TOS forum Issue 5 (2015)

Placer gold sampling—The overall measurement error using gravity concentration on particle size ranges during sample treatment

TOS forum Issue 5 (2015)

Proper sampling for archeometric discrimination of Bronze-age fields on Bornholm, Denmark – Archaeology meets TOS meets Chemometrics

TOS forum Issue 5 (2015)

Proper sampling, total measurement uncertainty, variographic analysis & fit-for-purpose acceptance levels for pharmaceutical mixing monitoring

TOS forum Issue 5 (2015)

Counteracting soil heterogeneity sampling for environmental studies (pesticide residues, contaminant transformation) – TOS is critical

TOS forum Issue 5 (2015)

Representative sampling for food and feed materials: a critical need for food/feed safety

TOS forum Issue 5 (2015)

Practical use of variographics to identify losses and evaluate investment profitability in industrial processes

TOS forum Issue 5 (2015)

The decision unit—a lot with objectives

TOS forum Issue 5 (2015)

A multivariate approach for process variograms

TOS forum Issue 5 (2015)

Validation of reverse circulation drilling rig for reconciliation purposes

TOS forum Issue 5 (2015)

A simpler system of dimensions and units, Part 3

TOS forum Issue 4 (2015)

TOS: Progress through continuity and community

TOS forum Issue 4 (2015)

Illusory reconciliation: compensation of manual sampling errors

TOS forum Issue 3 (2014)

A review of sampling and monitoring protocols related to radioactive elements in fractured rock aquifers

TOS forum Issue 3 (2014)

A simpler system of dimensions and units: part 2

TOS forum Issue 3 (2014)

Messages from the Chairmen of WCSB7

TOS forum Issue 2 (2014)

Improved Food and Feed Safety through Systematic Planning and the Theory of Sampling (TOS): An Introduction to “GOODSamples”

TOS forum Issue 2 (2014)

Visualisation of sampling error effects in near infrared analysis—comparison between Petri dish, roll bottle and spiral sampler

TOS forum Issue 2 (2014)

DS 3077 Horizontal—a new standard for representative sampling. Design, history and acknowledgements

TOS forum Issue 1 (2013)

Letters: Sampling errors undermine valid genetically modified organism (GMO) analysis

TOS forum Issue 1 (2013)